<!--
 * @Author: jay
 * @Date: 2021-08-09 21:04:57
 * @LastEditTime: 2021-08-11 18:22:40
 * @LastEditors: Please set LastEditors
 * @Description: block
 * @FilePath: \Briup\Common\study\1-html\2-block.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>块元素</title>
    <style>
        /*重置样式*/
        body{
            margin: 0;
        }
        p{
            margin: 0;
        }
        ul{
            margin: 0;
            padding: 0;
            list-style: none;
        }
        dl>dd{
            margin: 0;
        }
    </style>
</head>
<body>
    <div>this is first div</div>
    <div>this is second div</div>
    <p>段落1</p>
    <p>段落2</p>
    <ul>
        <li>html</li>
        <li>css</li>
        <li>js</li>
    </ul>
    <dl>
        <dt>学生管理</dt>
        <dd>学生档案</dd>
        <dd>学生请假</dd>
        <dd>学生就业</dd>

    </dl>
    <h1>标题1</h1>
    <h2>标题2</h2>
    <h3>标题3</h3>

</body>
</html>